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The TsuJal Amphibious Seismic Network: a Passive-Source seismic Experiment in Western Mexico

AuthorsNuñez-Cornu, Francisco; Córdoba, Diego CSIC ORCID ; Bandy, William; Dañobeitia, Juan José CSIC ; Mortera-Gutierrez, Carlos; Alarcon, Edgar; Nuñez, Diana; Quinteros Cartaya, Claudia Beatriz M.; Suarez-Plascencia, Carlos
Issue Date15-Dec-2020
PublisherAmerican Geophysical Union
CitationAmerican Geophysical Union Fall Meeting (2020)
AbstractThe geodynamic complexity in the interaction between Rivera, Cocos, and North American plates, is mainly evidenced by a high seismicity rate that unfavorably is not well located. In the framework of the TsuJal Project, a study of the passive seismic activity was carried out in this region, using data with a temporal seismic network with 25 Obsidian stations, deployed along the states of Nayarit, Jalisco and Colima, including the Islas Marías, in addition to the Jalisco Seismic Network (RESAJ), and 10 OBS type LCHEAPO 2000 with four channels, deployed and recovered by the BO El Puma in an array from the Islas Marías to off coast of the border of Colima and Michoacan states, in the period from 19th April to 7th November 2016. These networks allowed registering more than 2000 oceanic and continental earthquakes in the region, and will permit us to improve the quality of locations and design procedures for routine RESAJ offshore seismicity location. During the observation period, a seismic sequence occurred in the area between the Mesoamerican Trench and the Paleo-Rivera Transform Fault from May 7 to July 13 that included 22 earthquakes with a magnitude greater than 4.0, and one of magnitude 6.3 on June 7. The relocation of this seismic sequence offers a new vision on local tectonics
DescriptionAmerican Geophysical Union (AGU) Fall Meeting, 13-17 December 2021, New Orleans
Appears in Collections:(ICM) Comunicaciones congresos
(ICMAT) Comunicaciones congresos
(UTM) Comunicaciones congresos

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